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ATA542980A - CONTROL DEVICE FOR PHOTOGRAPHIC DEVICES - Google Patents

CONTROL DEVICE FOR PHOTOGRAPHIC DEVICES

Info

Publication number
ATA542980A
ATA542980A AT0542980A AT542980A ATA542980A AT A542980 A ATA542980 A AT A542980A AT 0542980 A AT0542980 A AT 0542980A AT 542980 A AT542980 A AT 542980A AT A542980 A ATA542980 A AT A542980A
Authority
AT
Austria
Prior art keywords
control device
photographic devices
photographic
devices
control
Prior art date
Application number
AT0542980A
Other languages
German (de)
Other versions
AT373084B (en
Original Assignee
Agfa Gevaert Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Agfa Gevaert Ag filed Critical Agfa Gevaert Ag
Publication of ATA542980A publication Critical patent/ATA542980A/en
Application granted granted Critical
Publication of AT373084B publication Critical patent/AT373084B/en

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/53—Means for automatic focusing, e.g. to compensate thermal effects
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B5/00—Anti-hunting arrangements
    • G05B5/01—Anti-hunting arrangements electric

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Lens Barrels (AREA)
  • Diaphragms For Cameras (AREA)
AT0542980A 1979-11-21 1980-11-05 CONTROL DEVICE FOR PHOTOGRAPHIC DEVICES AT373084B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792946939 DE2946939A1 (en) 1979-11-21 1979-11-21 CONTROL DEVICE FOR PHOTOGRAPHIC DEVICES

Publications (2)

Publication Number Publication Date
ATA542980A true ATA542980A (en) 1983-04-15
AT373084B AT373084B (en) 1983-12-12

Family

ID=6086544

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0542980A AT373084B (en) 1979-11-21 1980-11-05 CONTROL DEVICE FOR PHOTOGRAPHIC DEVICES

Country Status (4)

Country Link
US (1) US4324465A (en)
AT (1) AT373084B (en)
DE (1) DE2946939A1 (en)
GB (1) GB2064829B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5779922A (en) * 1980-11-07 1982-05-19 Nippon Kogaku Kk <Nikon> Automatic focusing camera

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2040011C3 (en) * 1970-08-12 1975-10-16 Agfa-Gevaert Ag, 5090 Leverkusen Automatic focusing device
JPS5250689B2 (en) * 1972-12-29 1977-12-27
DE2460675C3 (en) * 1974-12-20 1981-06-11 Agfa-Gevaert Ag, 5090 Leverkusen Cinematographic camera
US3946222A (en) * 1975-04-18 1976-03-23 Xerox Corporation Automatic focus with variable magnification

Also Published As

Publication number Publication date
GB2064829A (en) 1981-06-17
GB2064829B (en) 1983-11-09
AT373084B (en) 1983-12-12
DE2946939A1 (en) 1981-05-27
US4324465A (en) 1982-04-13

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